A tap can fill a tank in 6 hours. The part of tank filled in 4 hours 30 min is-
2/3
3/2
6/7
3/4
Answers
Answer:
Description for Correct answer:
Let total capacity of tank = 6 units
∴ Effieciency of A/hr.=66=1unit
Half tank capacity=62=3units
It will be filled in = 3 hrs
According to question,
3 more taps of capacity (1 unit/ hr) are opened with first tap
Total capacity of 4 taps = 4 units/hrs
They will fill the tank in
=Remaining capacityefficiency=3units4units/h=34hours
Total time =334hrs
= 3 hr.45 min
Explanation:
Answer:
Description for Correct answer:
Let total capacity of tank = 6 units
∴ Effieciency of A/hr.=66=1unit
Half tank capacity=62=3units
It will be filled in = 3 hrs
According to question,
3 more taps of capacity (1 unit/ hr) are opened with first tap
Total capacity of 4 taps = 4 units/hrs
They will fill the tank in
=Remaining capacityefficiency=3units4units/h=34hours
Total time =334hrs